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JP2965261B2 - Extrusion molding method and equipment for molding - Google Patents
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JP2965261B2 - Extrusion molding method and equipment for molding - Google Patents

Extrusion molding method and equipment for molding

Info

Publication number
JP2965261B2
JP2965261B2 JP2258103A JP25810390A JP2965261B2 JP 2965261 B2 JP2965261 B2 JP 2965261B2 JP 2258103 A JP2258103 A JP 2258103A JP 25810390 A JP25810390 A JP 25810390A JP 2965261 B2 JP2965261 B2 JP 2965261B2
Authority
JP
Japan
Prior art keywords
extrusion
molding
extruder
nozzle
extrusion molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP2258103A
Other languages
Japanese (ja)
Other versions
JPH04133714A (en
Inventor
勝士 土田
雅博 関戸
晃一 小野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Katayama Kogyo Co Ltd
Original Assignee
Katayama Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17315543&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2965261(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Katayama Kogyo Co Ltd filed Critical Katayama Kogyo Co Ltd
Priority to JP2258103A priority Critical patent/JP2965261B2/en
Publication of JPH04133714A publication Critical patent/JPH04133714A/en
Application granted granted Critical
Publication of JP2965261B2 publication Critical patent/JP2965261B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92019—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92561—Time, e.g. start, termination, duration or interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） この発明は、自動車用のモールの押出成形方法と、そ
の押出成形装置に関する。Description: TECHNICAL FIELD The present invention relates to an extrusion molding method for a molding for an automobile and an extrusion molding apparatus for the same.

（従来の技術） 従来、第５図に示すように自動車のフロントガラスに
対して雨樋機能を有する、いわゆるレインガター付フラ
ッシュモールが施される場合がある。(Prior Art) Conventionally, as shown in FIG. 5, a so-called flash gutter with a rain gutter having a rain gutter function may be applied to a windshield of an automobile.

ところで、このようなレインガター付フラッシュモー
ルにあっては、その構造上、同図に示すようにそれぞれ
の断面部分において断面形状が変化したものとなる。
（同図中下段のものは他の例である。） そこで、このように断面形状が変化するものを得よう
とするとき、通常、変化する部分を切欠き除去する方
法、あるいは２階建構造をしているものについては上下
別々に押し出す方法等を行っていた。By the way, in such a flash molding with a rain gutter, due to its structure, as shown in FIG.
(The lower part in the figure is another example.) Therefore, when trying to obtain one having such a change in cross-sectional shape, usually, a method of notching and removing the changed part, or a two-story structure is used. The method of extruding the upper and lower parts separately was performed.

（発明が解決しようとする問題点） ところが、上記のような方法によるときは、押出した
後、第６図に示すようにカッター等で切り欠いたり（図
示Ｋ線参照）、第５図に示すように接着剤等で接合しな
ければならず（図示接着部Ｓ参照）、後工程に費用がか
かるためコスト高となり、また切り欠き部を廃棄するた
め材料の無駄が生じるなどの問題点を有していた。(Problems to be Solved by the Invention) However, when the above method is used, after extruding, the material is cut out with a cutter or the like as shown in FIG. 6 (see the K line in the drawing), or as shown in FIG. (See the bonding portion S in the drawing), the cost is high because the post-process is expensive, and there is a problem that the cutout portion is discarded and the material is wasted. Was.

そこで、この発明は上記のような問題点に対処し、こ
れを解消すべく提案されたものである。Therefore, the present invention has been proposed to address the above problems and to solve them.

（問題点を解決するための手段および実施例） 上記の目的を達成するための、この発明の構成を実施
例である図面の符号を採用して説明する。(Means for Solving the Problems and Embodiments) In order to achieve the above object, a configuration of the present invention will be described with reference to the drawings of the embodiments.

まず、この発明の方法の実施例が第１〜２図に示され
ており、図中１は押出型、２はノズル、３はノズル開口
部、４は駆動装置、５は可動板である。First, an embodiment of the method of the present invention is shown in FIGS. 1 and 2, wherein 1 is an extrusion die, 2 is a nozzle, 3 is a nozzle opening, 4 is a driving device, and 5 is a movable plate.

これらの図において、この発明の方法は、モールの押
出成形中、予め設定された時間において、押出型１のノ
ズル２の前端面におけるノズル開口部３に対し、駆動装
置４により作動する可動板５を移動させて上記ノズル開
口部３を変化させて樹脂を塞ぎ、押出形状を適宜変化さ
せると同時に、押出機の吐出量を別途コントローラーに
より変化させることにより実施されるモールの押出成形
方法である。In these figures, the method of the present invention applies a movable plate 5 operated by a driving device 4 to a nozzle opening 3 in a front end surface of a nozzle 2 of an extrusion die 1 at a preset time during extrusion of a molding. Is moved to change the nozzle opening 3 to close the resin, thereby appropriately changing the extrusion shape, and simultaneously changing the discharge amount of the extruder by a separate controller.

なお、上記のような可動板５によるものの他、第２図
に示すようにノズル２自体を変化させる方法によること
も可能である。In addition to the method using the movable plate 5 as described above, a method in which the nozzle 2 itself is changed as shown in FIG. 2 is also possible.

つぎに、この発明の方法を実施するための装置の実施
例が第３〜４図に示されている。Next, an embodiment of an apparatus for carrying out the method of the present invention is shown in FIGS.

これらの図において、６は押出機、７はタイマー、８
はロータリーエンコーダー、９はコントローラー、10は
押出機制御盤、11は圧力センサーである。In these figures, 6 is an extruder, 7 is a timer, 8
Is a rotary encoder, 9 is a controller, 10 is an extruder control panel, and 11 is a pressure sensor.

まず、この発明の押出成形装置は、タイマー７、ロー
タリーエンコーダー８等の制御装置および圧力センサー
11とこれらを集中制御するコントローラー９を現押出ラ
インに追加してなるものであり、樹脂吐出量可変の押出
システムで、タイマー７、ロータリーエンコーダー８等
および圧力センサー11でノズル２の開口形状ならびに押
出機６本体のスクリュー回転数をコントローラー８によ
って自在にコントロールし可変状態のもとに押出するも
のである。First, the extrusion molding apparatus of the present invention comprises a control device such as a timer 7, a rotary encoder 8, and a pressure sensor.
11 and a controller 9 for centrally controlling them are added to the current extrusion line. The extrusion system has a variable resin discharge amount. The timer 7, the rotary encoder 8, etc. The screw speed of the main body of the machine 6 is freely controlled by the controller 8, and the screw is extruded under a variable state.

第３図は、この発明の装置の第１の実施例を示し、こ
れは押出ライン中に設けられたタイマー７による予定時
間にノズル開口状態を変化させるための駆動装置４、な
らびに押出機６のスクリュー回転数を、それぞれコント
ローラー９によって集中制御させるように構成したモー
ルの押出成形装置である。FIG. 3 shows a first embodiment of the apparatus of the present invention, which comprises a driving device 4 for changing the nozzle opening state at a scheduled time by a timer 7 provided in the extrusion line, and an extruder 6. This is a molding extrusion molding apparatus configured to centrally control the screw rotation speed by the controller 9.

また、第４図に示すものは、この発明の他の実施例で
あり、これは押出ライン中に設けられたロータリーエン
コーダー８による予定時間にノズル形状を変化させるた
めの駆動装置４、ならびに押出型１に取付けられた圧力
センサー11で内部圧力を検出し、圧力一定になるように
押出機６のスクリュー回転数を、それぞれコントローラ
ー９によって集中制御させるように構成したモールの押
出成形装置である。FIG. 4 shows another embodiment of the present invention, which comprises a driving device 4 for changing the nozzle shape at a scheduled time by a rotary encoder 8 provided in an extrusion line, and an extrusion die. This is a molding extrusion molding apparatus configured to detect the internal pressure by a pressure sensor 11 attached to the apparatus 1 and centrally control the screw rotation speed of the extruder 6 by a controller 9 so that the pressure is constant.

（発明の作用効果） 以上のように、この発明によるときは、所要断面形状
のものが一連一体化した状態のもとに形成できて、従来
のような押出後の切り欠き、および接合作業が削減でき
るため後工程の費用が削減できるとともに、従来押出後
切り欠いた部分は廃棄していたものが、上記のように切
り欠く必要がなくなるため材料の低減ができることにも
なるのである。(Effects of the Invention) As described above, according to the present invention, the required cross-sectional shape can be formed in an integrated state, and the notch after the extrusion and the joining work as in the related art can be performed. The cost of the post-process can be reduced because of the reduction, and the cutout portion after the extrusion is conventionally discarded, but the cutout is not necessary as described above, so that the material can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

第１〜２図は、この発明の方法を示す説明図、第３〜４
図は、この発明の装置を示す説明図、第５〜６図は従来
例の説明図である。 （符号） １……押出型 ２……ノズル ３……ノズル開口部 ４……駆動装置 ５……可動板 ６……押出機 ７……タイマー ８……ロータリーエンコーダー ９……コントローラー 10……押出機制御盤 11……圧力センサー Ｓ……接着部 Ｋ……切断部1 and 2 are explanatory views showing the method of the present invention, and FIGS.
FIG. 1 is an explanatory view showing the apparatus of the present invention, and FIGS. 5 and 6 are explanatory views of a conventional example. (Sign) 1 ... Extrusion mold 2 ... Nozzle 3 ... Nozzle opening 4 ... Drive device 5 ... Movable plate 6 ... Extruder 7 ... Timer 8 ... Rotary encoder 9 ... Controller 10 ... Extrusion Machine control panel 11 …… Pressure sensor S …… Adhesive part K …… Cutting part

フロントページの続き (56)参考文献 特開 昭60−234819（ＪＰ，Ａ) 特開 平１−188320（ＪＰ，Ａ) 特開 昭62−202712（ＪＰ，Ａ) 特開 昭52−51618（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) B29C 47/00 - 47/96 Continuation of front page (56) References JP-A-60-234819 (JP, A) JP-A-1-188320 (JP, A) JP-A-62-202712 (JP, A) JP-A-52-51618 (JP) , A) (58) Field surveyed (Int. Cl. 6 , DB name) B29C 47/00-47/96

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】モールの押出成形中において、ノズルの前
端面、またはノズルを変化させて樹脂を塞ぎ、押出形状
を適宜変化させると同時に押出機の吐出量を変化させる
ことを特徴とするモールの押出成形方法。1. A molding method according to claim 1, wherein during extrusion molding of the molding, the resin is closed by changing the front end face of the nozzle or the nozzle, and the extrusion shape is appropriately changed, and simultaneously the discharge amount of the extruder is changed. Extrusion molding method. 【請求項２】押出ライン中に設けられたタイマー、ある
いはロータリーエンコーダー等による予定時間にノズル
開口形状を変化させるための駆動装置、ならびに押出機
のスクリュー回転数をコントローラーによって集中制御
させるように構成したことを特徴とするモールの押出成
形装置。2. A driving device for changing a nozzle opening shape at a predetermined time by a timer or a rotary encoder provided in an extrusion line, and a screw rotation speed of an extruder are centrally controlled by a controller. Extrusion molding equipment for moldings. 【請求項３】押出型に取付けられた圧力センサーで内部
圧力を検出し、圧力一定になるように押出機のスクリュ
ー回転数をコントローラーによって集中制御させるよう
に構成したことを特徴とする特許請求の範囲第２項記載
の押出成形装置。3. The apparatus according to claim 1, wherein the internal pressure is detected by a pressure sensor attached to the extrusion die, and the screw rotation speed of the extruder is centrally controlled by a controller so as to keep the pressure constant. 3. The extrusion molding apparatus according to claim 2, wherein:
JP2258103A 1990-09-26 1990-09-26 Extrusion molding method and equipment for molding Expired - Lifetime JP2965261B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2258103A JP2965261B2 (en) 1990-09-26 1990-09-26 Extrusion molding method and equipment for molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2258103A JP2965261B2 (en) 1990-09-26 1990-09-26 Extrusion molding method and equipment for molding

Publications (2)

Publication Number Publication Date
JPH04133714A JPH04133714A (en) 1992-05-07
JP2965261B2 true JP2965261B2 (en) 1999-10-18

Family

ID=17315543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2258103A Expired - Lifetime JP2965261B2 (en) 1990-09-26 1990-09-26 Extrusion molding method and equipment for molding

Country Status (1)

Country Link
JP (1) JP2965261B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0671730A (en) * 1992-08-26 1994-03-15 Inoac Corp Manufacture of extrusion molded form varying in sectional shape
JPH06270224A (en) * 1993-03-18 1994-09-27 Katayama Kogyo Kk Molding manufacturing method and apparatus
JPH07119048B2 (en) * 1993-06-29 1995-12-20 片山工業株式会社 Molding manufacturing method and apparatus

Also Published As

Publication number Publication date
JPH04133714A (en) 1992-05-07

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